MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, indicating a link farm or phishing attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or SEO poisoning attack, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071d714c2b80---35814149668.pdf
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e05da997e3---89419880198.pdf
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b383c489fa5---17759160162.pdf
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160b486e712035---38820736325.pdf
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/1ad933fc90a08db4b35e44c201f1b645/37813413638.pdf
- http://renovator.cz/files/file/28546816975.pdf
- https://ceral.pl/ceral/pliki/file/82133106632.pdf
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160adc8f8a03c7---84875172763.pdf
- https://szud94.hu/img/sajatfile/files/mofalunupawuwedefolox.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2f468fd05be689b3a022d81fa5e82009/56723884863.pdf
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/6gdedgjgkaqs048qur5sd52fs2/woweripib.pdf
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/b668b2e4086e7e0c3db71abb2e2b7d98/96237284563.pdf
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c9e273ac59e---tegojafakiluxetonave.pdf
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/7mf0d32cucu6m6ai5ul7d7kte3/46651508600.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160dcdbc974cdf---42699289722.pdf
- https://nhadatonline24h.com/Images_upload/files/57984150072.pdf
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e3b1f02bdf---22028906368.pdf
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b45ba3a8943---xeferaviwonufowoxigez.pdf
- http://elm3rad.com/file/nukexerufimiwepojukidis.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608e2a8e1d056---38219835284.pdf
- https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/a37c5cd3cbf7d7b0b6a7b9d277187d3e/5989809114.pdf
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/16071a026c0d05---vunuwexemapeb.pdf
- http://clinicaveterinariagussago.com/userfiles/files/48930334812.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=free+motorcycle+service+manuals+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c7a7.bin1b4047b64bd7cf6d498d3e69fe342380ffed547c45172f0b228664af16cb3617 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7A7 | 15968 bytes |
font_01_sfnt_off0000f11e.binfb2aa153296df6d8473d8db8a9389b8690bb1461a7a313c5611cf94b417d275d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF11E | 11040 bytes |
font_02_sfnt_off00010ada.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ADA | 16792 bytes |
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